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Amir Khan weighs in one pound lighter in Washington

Khan one pound lighter as he weighs in for clash with Peterson in Washington

Amir Khan has weighed in at nine stone, 13 lbs, for his light-welterweight showdown with Lamont Peterson.

The American weighed in one pound heavier, for Saturday”s fight, where Khan will start as favourite.

Weighing in: Amir Khan takes part in the official weigh-in

Weighing in: Amir Khan takes part in the official weigh-in

The Briton is defending his WBA and IBF belts in Peterson”s home town.

Khan, who burst into the limelight at the 2004 Athens Olympics, insists Peterson will provide a tougher challenge than Zab Judah, the man he beat in his last night in July.

Eve of the fight: Khan and Lamont Peterson in Washington DC

Eve of the fight: Khan and Lamont Peterson in Washington DC

“I definitely think this will be a tougher fight than Zab Judah was. He”s one of the most dangerous opponents in the division.”

Khan may have good reason to be wary. Peterson has a fine record, and will be vociferously backed.

Squaring up: Amir Khan and Lamont Peterson in Washington on Friday

Squaring up: Amir Khan and Lamont Peterson in Washington on Friday